Lotus root is low in calories and does not cause obesity when eaten properly. However, if the long-term intake of too much energy accumulation, may also cause obesity. Lotus root is a common food, every 100g of lotus root contains 319KJ of energy, belonging to the low-calorie food, appropriate eating will not cause obesity, but if long-term, large amounts of food, and less exercise, may make the energy pile up in the body, and then obesity. In addition, every 100g of lotus root contains 1.9g of protein, 16.4g of carbohydrates, vitamin C44mg and a variety of minerals, appropriate consumption can be supplemented for the body’s nutritional needs. In daily life to maintain a healthy, reasonable, balanced diet, try to avoid long-term consumption of a particular food, so as to avoid nutritional imbalance. Note also need to carry out appropriate exercise, so as to avoid the accumulation of fat in the body, resulting in obesity affects the health of the body.